- Name
- Guillermo (Masculino)
- Celebrate
- Will , William , Williams and Willy
- Other saints
- Other saints named Guillermo
- Saint Guillermo abad of Saint Beningno of Dijon
- Saint Guillermo abad y obispo
- Saint Guillermo Firmato
- Saint Guillermo Fitzherbert
- Saint Guillermo of Dinamarca
- Saint Guillermo of Foggia
- Saint Guillermo of Goleto
- Saint Guillermo of Pontoise
- Saint Guillermo Pinchón
- Saint Guillermo Tempier
- Saint Guillermo, eremita
- Blessed Guglielmo Cuffitelli
- Blessed Guillermo Plaza Hernánde
- Blessed Vilmos Apor
- Blessed William Arnaud and companions
- Blessed William Browne
- Blessed William Carter
- Blessed William Chaminade
- Blessed William Dean and companions
- Blessed William Freeman
- Blessed William Gigson
- Blessed William Greenwood
- Blessed William Harrington
- Blessed William Hart
- Blessed William Horne
- Blessed William Knight
- Blessed William Marsden
- Blessed WIlliam of Fenolis
- Blessed William of Toulouse
- Blessed William Patenson
- Blessed William Repin
- Blessed William Richardson
- Blessed William Saultemouche
- Blessed William Southerne
- Blessed William Tirry
- Blessed William Way
- Blessed William Webster
In the monastery of Gellone, in the Narbonnaise Galia, saint William, monk, who, having been a very bright character in the imperial court, then joined with true affection of love with Saint Benedict of Aniane and wore the monastic habit with great honesty of customs. Roman martyrology